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LONG-TERM DEBT (Schedule of Debt) (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Total long-term debt $ 269 $ 389
Current portion of long-term debt (142) (255)
Long-term debt, net of current maturities 127 134
Connecticut Department of Economic and Community Development (DECD)    
Debt Instrument [Line Items]    
Total long-term debt 169 176
Debt issuance cost (15) (15)
Financed Insurance Loan [Member]    
Debt Instrument [Line Items]    
Total long-term debt 115 228
Current portion of long-term debt $ (100) $ (200)